I can help you with the Blue Screen of Death issue you're experiencing after a clean install of Windows 7 Ultimate. Here are some steps you can take to troubleshoot and resolve this issue: 1. Check for Updates: Ensure that your Windows 7 installation is up to date. Install all available updates, especially the important and critical ones. 2. Check Device Drivers: Incompatibility with certain drivers can cause blue screen errors. Make sure all your device drivers are up to date. You can go to the Device Manager to check for any driver issues. 3. Use Safe Mode: Try booting into Safe Mode and shutting down the PC from there to see if the issue persists. If it doesn't happen in Safe Mode, it might indicate a driver or...